ThumbBase::__call PHP Method

    public function __call($method, $args)
    {
        if (array_key_exists($method, $this->importedFunctions)) {
            $args[] = $this;
            return call_user_func_array(array($this->importedFunctions[$method], $method), $args);
        }
        throw new BadMethodCallException('Call to undefined method/class function: ' . $method);
    }